Which countries did the big four represent?

The "Big Four" typically refers to the four largest professional services networks in the world: Deloitte, PricewaterhouseCoopers (PwC), Ernst & Young (EY), and KPMG. Each of these firms has a global presence, with headquarters in different countries: Deloitte is based in the United States, PwC in the UK, EY also in the UK, and KPMG in the Netherlands. Collectively, they represent a significant portion of the accounting and consulting services market across various countries worldwide.